Stop exposing generated AIDL from Tethering

We don't want new modules exposing stable aidl directly. APIs should
be defined as java @SystemApi. It also seems like nothing actually
depend on these interfaces, except one simple exception.

Bug: 147200698
Test: m
Change-Id: Ia4222fa35a9a2f3c75cebb12f75c536f27e2fe16
diff --git a/Tethering/common/TetheringLib/Android.bp b/Tethering/common/TetheringLib/Android.bp
index cb0de7a..1a3d5b6 100644
--- a/Tethering/common/TetheringLib/Android.bp
+++ b/Tethering/common/TetheringLib/Android.bp
@@ -83,7 +83,6 @@
     name: "framework-tethering-stubs",
     srcs: [":framework-tethering-stubs-sources"],
     libs: ["framework-all"],
-    static_libs: ["tethering-aidl-interfaces-java"],
     sdk_version: "core_platform",
 }